This book attains the usual high standards of O'Reilly books with clear,entertaining writing and a good presentation. -- Robert Judd, Front Range Unix Users Group, 11 March 2002
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Message Encryption Application Using Multiple Ciphers
Object-Oriented Design Makes Adding Ciphers Easy
Entertaining Application and Utility for Your Visitors
Assigning Methods to Your Objects
More String Matching and Replacing
Using Alternate Syntax
This interface displayed in Figure 9-1 is fairly simple. With the Caesar cipher selected, it's just a paragraph describing the cipher, a select list used to choose a number key, and a text area to enter text to encipher and decipher.